Sharp XL-505H Service Manual page 35

IC701 RH-iX0189AWZZ:System Microcomputer(iX0189AW) (2/2)
Terminal Name Input/Output
Pin No.
53 SEG47 P62/A2
54 SEG46 P63/A3
55 SEG45 P64/A4
56 SEG44 P65/A5
57 SEG43 P66/A6
58 SEG42 P67/A7
59-62 SEG41-38
P70-73/A8-11
63*,64* SEG37,36
P74,75/A12,13
65*,66* SEG35,34
P76,77/A14,15
67*,68* SEG33,32
P87,86/D7,6
69-74 SEG1-26
(69*-73*) P85-80/D5-0
75-100 SEG25-0
(94*-100*)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
COM3 O
COM2 O
COM1 O
COM0 O
VLC3 —
—
VLC2
—
VLC1
—
VDD
OSC2 O
OSC1
I
VSS
XI I
XO O
MMOD I
VREF-
AREA I
KEY1 I
KEY2 I
POWER I
VSM I
F.P I
RUN PLS I
CAM-SW I
—
VREF+
DI O
Output Tape circuit record/playback selection output
Output Record bias oscillation frequency selection control output
Output Record bias oscillation circuit control output
Input CD lid status detection input
Input CD pickup position detection SW input
In/Output CD servo control IC ON/OFF output terminal
In/Output TC9284F control data input/output terminal
Output SRS control output
— Unused terminal
— Unused terminal
— LCD SEGMENT output
Note: Since RH-IX0189AWZZ is a 24-pin LCD, SEG0 of LCD is connected to SEG7 of
microcomputer output terminal (sequential connection up to SEG26).
— LCD SEGMENT output
Note: Since RH-IX0189AWZZ is a 24-pin LCD, SEG0 of LCD is connected to SEG7 of
microcomputer output terminal (sequential connection up to SEG26).
1
2
3
4
5
6
7
8
9
RH-IX0189AWZZ
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Figure 35 BLOCK DIAGRAM OF IC
XL-505H,505E,507E/CP-505,505E,507
Function
H:Record Mode
H: Bias oscillation
L: Lid closed
L: Innermost periphery
L: Servo On
– 35 –
L:Playback Mode
L: Oscillation stop
H: Lid opened
H: Servo Stand-by
75 S SEG25
74 S SEG26
73 S SEG27
72 S SEG28
71 S SEG29
70 S SEG30
69 S SEG31
SEG32
68 S
SEG33
67 S
S SEG34
66
S
65 SEG34
64 O SRS1
63 O SRS2
62 I/O BUS3
61 I/O BUS2
60 I/O BUS1
59 I/O BUS0
58 O CD_STB
57 I PU-IN
56 I LID-SW
55 O BIAS
54 O B-CAN
53 O REC
52 O MOT
51 O SOL